; Test -asan-with-ifunc flag. ; ; RUN: opt -asan -asan-module -S -asan-with-ifunc=0 < %s -enable-new-pm=0 | \ ; RUN: FileCheck %s --check-prefixes=CHECK,CHECK-NOIFUNC ; RUN: opt -passes='asan-pipeline' -S -asan-with-ifunc=0 < %s | \ ; RUN: FileCheck %s --check-prefixes=CHECK,CHECK-NOIFUNC ; RUN: opt -asan -asan-module -S -asan-with-ifunc=1 -asan-with-ifunc-suppress-remat=0 < %s -enable-new-pm=0 | \ ; RUN: FileCheck %s --check-prefixes=CHECK,CHECK-IFUNC ; RUN: opt -passes='asan-pipeline' -S -asan-with-ifunc=1 -asan-with-ifunc-suppress-remat=0 < %s | \ ; RUN: FileCheck %s --check-prefixes=CHECK,CHECK-IFUNC ; RUN: opt -asan -asan-module -S -asan-with-ifunc=1 -asan-with-ifunc-suppress-remat=1 < %s -enable-new-pm=0 | \ ; RUN: FileCheck %s --check-prefixes=CHECK,CHECK-IFUNC-NOREMAT ; RUN: opt -passes='asan-pipeline' -S -asan-with-ifunc=1 -asan-with-ifunc-suppress-remat=1 < %s | \ ; RUN: FileCheck %s --check-prefixes=CHECK,CHECK-IFUNC-NOREMAT ; Pre-Lollipop Android does not support ifunc. ; RUN: opt -asan -asan-module -S -asan-with-ifunc=1 -asan-with-ifunc-suppress-remat=0 -mtriple=armv7-linux-android20 < %s -enable-new-pm=0 | \ ; RUN: FileCheck %s --check-prefixes=CHECK,CHECK-NOIFUNC ; RUN: opt -passes='asan-pipeline' -S -asan-with-ifunc=1 -asan-with-ifunc-suppress-remat=0 -mtriple=armv7-linux-android20 < %s | \ ; RUN: FileCheck %s --check-prefixes=CHECK,CHECK-NOIFUNC ; RUN: opt -asan -asan-module -S -asan-with-ifunc=1 -asan-with-ifunc-suppress-remat=0 -mtriple=armv7-linux-android < %s -enable-new-pm=0 | \ ; RUN: FileCheck %s --check-prefixes=CHECK,CHECK-NOIFUNC ; RUN: opt -passes='asan-pipeline' -S -asan-with-ifunc=1 -asan-with-ifunc-suppress-remat=0 -mtriple=armv7-linux-android < %s | \ ; RUN: FileCheck %s --check-prefixes=CHECK,CHECK-NOIFUNC ; RUN: opt -asan -asan-module -S -asan-with-ifunc=1 -asan-with-ifunc-suppress-remat=0 -mtriple=armv7-linux-android21 < %s -enable-new-pm=0 | \ ; RUN: FileCheck %s --check-prefixes=CHECK,CHECK-IFUNC ; RUN: opt -passes='asan-pipeline' -S -asan-with-ifunc=1 -asan-with-ifunc-suppress-remat=0 -mtriple=armv7-linux-android21 < %s | \ ; RUN: FileCheck %s --check-prefixes=CHECK,CHECK-IFUNC target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64" target triple = "armv7--linux-android22" ; CHECK-IFUNC: @__asan_shadow = external global [0 x i8] ; CHECK-NOIFUNC: @__asan_shadow_memory_dynamic_address = external global i32 define i32 @test_load(i32* %a) sanitize_address { ; First instrumentation in the function must be to load the dynamic shadow ; address into a local variable. ; CHECK-LABEL: @test_load ; CHECK: entry: ; CHECK-IFUNC-NEXT: %[[A:[^ ]*]] = ptrtoint i32* %a to i32 ; CHECK-IFUNC-NEXT: %[[B:[^ ]*]] = lshr i32 %[[A]], 3 ; CHECK-IFUNC-NEXT: %[[C:[^ ]*]] = add i32 %[[B]], ptrtoint ([0 x i8]* @__asan_shadow to i32) ; CHECK-IFUNC-NOREMAT-NEXT: %[[S:[^ ]*]] = call i32 asm "", "=r,0"([0 x i8]* @__asan_shadow) ; CHECK-IFUNC-NOREMAT-NEXT: %[[A:[^ ]*]] = ptrtoint i32* %a to i32 ; CHECK-IFUNC-NOREMAT-NEXT: %[[B:[^ ]*]] = lshr i32 %[[A]], 3 ; CHECK-IFUNC-NOREMAT-NEXT: %[[C:[^ ]*]] = add i32 %[[B]], %[[S]] ; CHECK-NOIFUNC-NEXT: %[[SHADOW:[^ ]*]] = load i32, i32* @__asan_shadow_memory_dynamic_address ; CHECK-NOIFUNC-NEXT: %[[A:[^ ]*]] = ptrtoint i32* %a to i32 ; CHECK-NOIFUNC-NEXT: %[[B:[^ ]*]] = lshr i32 %[[A]], 3 ; CHECK-NOIFUNC-NEXT: %[[C:[^ ]*]] = add i32 %[[B]], %[[SHADOW]] entry: %x = load i32, i32* %a, align 4 ret i32 %x }